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BUSINESS · AUG 12, 2026

US Dollar Rises as Iran Closes Strait of Hormuz

The US dollar climbed Wednesday as investors sought safe-haven assets following the closure of the Strait of Hormuz by Iran and shipping attacks in the Gulf.

The United States dollar rose on Wednesday as investors shifted toward safe-haven assets amid escalating tensions in the Gulf. The market volatility follows reports of separate shipping attacks conducted on Tuesday by the United States and Yemen's Iran-aligned Houthis.

The Government of Iran has declared that the Strait of Hormuz will remain closed until the United States accepts its conditions. This strategic closure, combined with the shipping attacks, has heightened regional instability and influenced global currency markets.

Simultaneously, investors are tracking U.S. economic data for signals regarding Federal Reserve policy. Other currency shifts include a slight decline in the euro, driven by rising natural gas prices, and a weakening yen despite joint interventions by U.S. and Japanese authorities.


Reported across 3 outlets
Actors
Government of IranGovernment of the United StatesHouthis

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